DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerTire inflation pressure
Check the tire pressures (including the
spare) often and always prior to long distance
trips. The recommended tire pressure
specifications are shown on the
F.M.V.S.S./C.M.V.S.S. certification label
or the Tire and Loading Information label
under the Cold Tire Pressure heading.
The Tire and ...
Automatic anti-glare rearview mirror
The inside mirror is designed so that it automatically
dims during night time conditions and according
to the intensity of the headlights of the
vehicle following you. The automatic anti-glare
feature is activated when the ignition switch is in
the ON position.
The indicator light will i ...
P1564 ASCD steering switch
Description
ASCD steering switch has variant values of electrical resistance for each
button. ECM reads voltage variation
of switch, and determines which button is operated.
Refer to EC-68, "System Diagram" for the ASCD function.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P156 ...